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首页> 外文期刊>Research letters in nanotechnology >Apparent Enhanced Solubility of Single-Wall Carbon Nanotubes in a Deuterated Acid Mixture
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Apparent Enhanced Solubility of Single-Wall Carbon Nanotubes in a Deuterated Acid Mixture

机译：单壁碳纳米管在氘代酸混合物中的表观增强的溶解度

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摘要

An apparent enhanced solubility of single-wall carbon nanotubes (SWNTs) in the deuterated form of the standard 3 : 1 sulfuric (H2SO4) to nitric (HNO3) acid mixture treatment is reported and attributed to the stronger interaction of deuterium bonds with the single-wall carbon nanotube surface. UV-Visible spectroscopy was used to characterize the apparent enhanced solubility of the SWNTs treated in deuterated forms of the acid mixture in comparison to the standard acid mix, while FTIR was used to analyze the nature of the functional groups generated on the SWNTs as a result of the different acid treatments. The apparent enhanced solubility reported here is consistent with the limited number of computational and experimental results published in the literature regarding the interaction of carbon nanotubes with deuterated solvents; however, a detailed understanding of the underlying mechanism responsible for this observation is currently lacking. The apparent increased solubility observed here could potentially be utilized in many applications where carbon nanotube dispersion is required.
机译：据报道，氘化标准品3：1硫酸（H2SO4）对硝酸（HNO3）酸混合物的氘化形式明显提高了单壁碳纳米管（SWNT）的溶解度，这归因于氘键与单壁碳纳米管表面。与标准酸混合物相比，使用紫外可见光谱法表征了在氘化形式的酸混合物中处理的单壁碳纳米管的溶解度与标准酸混合物相比明显提高，而红外光谱用于分析在单壁碳纳米管上生成的官能团的性质不同的酸处理方法。此处报道的表观溶解度提高与文献中有关碳纳米管与氘代溶剂相互作用的有限数量的计算和实验结果相一致。但是，目前尚缺乏对造成这种现象的潜在机制的详细了解。在此观察到的明显增加的溶解度可潜在地用于需要碳纳米管分散的许多应用中。

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